en to zh_TW translation catalogue (4 entries)

[ctx: A placeholder for the heading when it has no text content yet.]
en: Empty heading
zh_TW: 空白標題

[ctx: Document outline placeholder to display when there are no headings in the document.]
en: Editor headings will appear here as you type.
zh_TW: 編輯器標題將在您輸入時出現在此處。

[ctx: A hint message explaining that table of contents widget is empty because there are no headings in the document.]
en: No headings were found in the document.
zh_TW: 無法在此文件中找到標題。

[ctx: A label displayed inside the table of contents widget in order to distinguish it in the document content.]
en: Table of contents
zh_TW: 內容目錄
